title: Reply to: "Flow cytometry makes all the difference".
authors.affiliation: Research Laboratories, Department of Infectious Diseases, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
authors.forename: Barbara
authors.initials: B
authors.lastname: Oliviero
authors.forename: Dalila
authors.initials: D
authors.lastname: Mele
authors.forename: Stefania
authors.initials: S
authors.lastname: Varchetta
authors.forename: Mario U
authors.initials: MU
authors.lastname: Mondelli
mesh_terms: D019698:Hepatitis C, Chronic / Q000276:immunology*; D006801:Humans; D007694:Killer Cells, Natural / Q000276:immunology*